<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
        }
        div {
            font-size: 2.5rem;  /* 调大字体 */
            text-align: center; /* 文字居中 */
            font-weight: bold;  /* 加粗 */
        }
    </style>
    <title>Document</title>
</head>
<body>
    <div>请登录后查看哦</div>
</body>
</html>
